No, wait: Don't ask my wife. She and I disagree on certain housekeeping issues, such as whether it's okay for a house to contain dirt. Also smells. If NASA scientists really want to know about life on Mars, instead of sending up robots that keep finding rocks, they need to send my wife and have her take a whiff of the Martian atmosphere. If there's a single one-celled organism anywhere on the planet, she'll smell it.

And if the other astronauts don't stop her, she'll kill it with Lysol. Which is why her approach to leftovers baffles me. I am opposed to leftovers. I believe the only food that should be kept around is takeout Chinese, which contains a powerful preservative called "kung pao" that enables it to remain edible for several football seasons.

All other leftover foods should be thrown away immediately, for the same reason you should not go to your 40th high-school reunion. You go expecting to see people whom you vaguely remember as being attractive, and even though you know they've aged some - heck, even YOU have aged some - you figure, hey, it's not as if you're OLD yet! You're middle-aged!

Like Harrison Ford!

So you go to the reunion, and suddenly you find yourself in a room full of unrecognizable fossils, lurching around the dance floor to the sounds of Herman's Hermits, and you realize to your horror that YOU ARE ONE OF THEM.

You get the same kind of unpleasant shock with leftovers. Time and again, in my house, when we're cleaning up after dinner, there will be, say, a small clump of uneaten string beans, and I'll have it poised over the garbage, and my wife will lunge for it like a person rescuing a baby from a wood chipper, saying: "Those will be good for leftovers!" She'll carefully seal the string beans in a plastic container and put them in the refrigerator, as if she truly believes that sometime in the near future an actual human in our household will say: "Dang! I could really chow down on some old string beans!"

Now fast-forward about a month, when my wife, passing the refrigerator, detects an odor molecule. So she takes out the plastic container and discovers that EWWW the string beans have been replaced by alien space worms with inch-long blue fur. Which of course she hurls into the garbage, which, as you may recall, is exactly where I tried to throw them a month earlier.

My point - and I know this because I'm using powerful point-detection software - is that people have differing views about what constitutes good housekeeping. This is why I'm so interested in an article that appeared recently in The New York Times.

The article states that your kitchen - yes, YOUR kitchen - is basically a festering swarm of potentially deadly bacteria. The most interesting part of the article concerns a discovery by a University of Arizona microbiology professor named Dr. Chuck Gerba, who is an expert on household germs. I am familiar with Dr. Gerba, because some years ago I interviewed him on bathroom cleanliness, and he told me that the only sure way to kill all the bacteria on a toilet is - I am not making this up - to put laboratory alcohol on the bowl and set it on fire.

So anyway, Dr. Gerba has found that the cleanest-looking kitchens were often the dirtiest. "Because 'clean' people wipe up so much, they often end up spreading bacteria all over the place. The cleanest kitchens," he said, "were in the homes of bachelors, who never wiped up and just put their dirty dishes in the sink."

That's right: You so-called "good housekeepers" are in fact smearing bacteria around, while we so-called "slobs" are, by courageous inaction, making the world's kitchens safer for everybody.

There's no need to thank us. All we ask is a little respect.

Also, while you're sniffing those leftovers, please grab us a beer.

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